Power Door Lock Control System (For Hatchback) All Doors Lock/Unlock Functions Do Not Operate Via Door Control Switch Or Door Key Cylinder

Vehicle Interior. Yaris. Ncp93, 131
Door Lock. Yaris. Ncp93, 131

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DOOR LOCK OPERATION

READ VALUE USING TECHSTREAM (DOOR CONTROL SWITCH (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY))

INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY - MAIN BODY ECU)

CHECK DOOR LOCK OPERATION (DOOR KEY CYLINDER)

READ VALUE USING TECHSTREAM (DOOR LOCK AND UNLOCK SWITCH)

INSPECT FRONT DOOR LOCK ASSEMBLY LH

CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY LH - MAIN BODY ECU)

READ VALUE USING TECHSTREAM (DOOR LOCK AND UNLOCK SWITCH)

INSPECT FRONT DOOR LOCK ASSEMBLY RH

CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY RH - MAIN BODY ECU)

POWER DOOR LOCK CONTROL SYSTEM (for Hatchback) - All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch or Door Key Cylinder


DESCRIPTION

The main body ECU receives switch signals from the door control switch, and driver door key cylinder or front passenger door key cylinder switch signals from the front door lock with motor assembly LH or front door lock with motor assembly RH. The main body ECU activates the door lock motor on each door according to these signals.

WIRING DIAGRAM


Yaris. Ncp93, 131.Door Lock.Power Door Lock Control System (For Sedan).Power Door Lock Control System (For Hatchback) All Doors Lock/Unlock Functions Do Not Operate Via Door Control Switch Or Door Key Cylinder


INSPECTION PROCEDURE

1.CHECK DOOR LOCK OPERATION

  1. Check door lock operation (YARIS_NCP93 RM000002T6K03IX.html).

    Result
    Result
    		Proceed to
    All doors cannot be locked through door control switch
    		A
    All doors cannot be locked through door key cylinder
    		B


B
Go to step 5
A


2.READ VALUE USING TECHSTREAM (DOOR CONTROL SWITCH (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY))

  1. Connect the Techstream to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the Techstream on.

  1. Enter the following menus: Body Electrical / Main Body / Data List.

  1. According to the display on the Techstream, read the Data List.

    Main Body
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Door Lock SW-Lock
    		Door manual lock switch signal / OFF or ON
    		OFF: Door control switch is turned to unlock position
    ON: Door control switch is turned to lock position
    		-
    Door Lock SW-Unlock
    		Door manual unlock switch signal / OFF or ON
    		OFF: Door control switch is turned to lock position
    ON: Door control switch is turned to unlock position
    		-
    OK:
    The Techstream indicates ON or OFF according to the switch operation shown in the table above.


NG
Go to step 3
OK

REPLACE MAIN BODY ECU (YARIS_NCP93 RM000003TOE00CX.html)

3.INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

  1. Inspect the power window regulator master switch assembly (YARIS_NCP93 RM000004OBK005X.html).



NG
REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (YARIS_NCP93 RM000004OBM005X.html)
OK


4.CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY - MAIN BODY ECU)

  1. Disconnect the D143 main body ECU connector.

  1. Disconnect the G20*1 or G22*2 power window regulator master switch assembly (door control switch) connector.

    1. *1: w/ Power Window
    2. *2: w/o Power Window

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    for 5 Door with Power Window
    Tester Connection
    		Condition
    		Specified Condition
    G20-2 (L) - D143-9 (L1)
    		Always
    		Below 1 Ω
    G20-9 (UL) - D143-10 (UL1)
    		Always
    		Below 1 Ω
    G20-1 (E) - Body ground
    		Always
    		Below 1 Ω
    D143-9 (L1) - Body ground
    		Always
    		10 kΩ or higher
    D143-10 (UL1) - Body ground
    		Always
    		10 kΩ or higher
    for 3 Door with Power Window
    Tester Connection
    		Condition
    		Specified Condition
    G20-1 (L) - D143-9 (L1)
    		Always
    		Below 1 Ω
    G20-9 (UL) - D143-10 (UL1)
    		Always
    		Below 1 Ω
    G20-7 (E) - Body ground
    		Always
    		Below 1 Ω
    D143-9 (L1) - Body ground
    		Always
    		10 kΩ or higher
    D143-10 (UL1) - Body ground
    		Always
    		10 kΩ or higher
    w/o Power Window
    Tester Connection
    		Condition
    		Specified Condition
    G22-4 (L) - D143-9 (L1)
    		Always
    		Below 1 Ω
    G22-2 (UL) - D143-10 (UL1)
    		Always
    		Below 1 Ω
    G22-3 (E) - Body ground
    		Always
    		Below 1 Ω
    D143-9 (L1) - Body ground
    		Always
    		10 kΩ or higher
    D143-10 (UL1) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (YARIS_NCP93 RM000003TOE00CX.html)

5.CHECK DOOR LOCK OPERATION (DOOR KEY CYLINDER)

  1. Proceed to the next step according to the symptom if all the doors cannot be locked/unlocked at once.

    Result
    Result
    		Proceed to
    All doors cannot be locked/unlocked at once by using door key cylinder on driver door.
    		A
    All doors cannot be locked/unlocked at once by using door key cylinder on front passenger door.
    		B
    All doors cannot be locked/unlocked at once by using both driver door and front passenger door key cylinder.
    		C


B
Go to step 9

C
REPLACE MAIN BODY ECU (YARIS_NCP93 RM000003TOE00CX.html)
A


6.READ VALUE USING TECHSTREAM (DOOR LOCK AND UNLOCK SWITCH)

  1. Connect the Techstream to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the Techstream on.

  1. Enter the following menus: Body Electrical / Main Body / Data List.

  1. According to the display on the Techstream, read the Data List.

    Main Body
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Door Key SW-Lock
    		Driver door and front passenger door lock and unlock switch signal / OFF or ON
    		OFF: Driver door or front passenger door key cylinder not turned
    ON: Driver door or front passenger door key cylinder turned to lock position
    		-
    D Door key SW-Unlock
    		Driver door lock and unlock switch signal / OFF or ON
    		OFF: Driver door key cylinder not turned
    ON: Driver door key cylinder turned to lock position
    		-
    OK:
    The Techstream indicates ON or OFF according to the key cylinder operation shown in the table.


NG
Go to step 7
OK

REPLACE MAIN BODY ECU (YARIS_NCP93 RM000003TOE00CX.html)

7.INSPECT FRONT DOOR LOCK ASSEMBLY LH

  1. Inspect the front door lock assembly LH (YARIS_NCP93 RM000001DPO01VX.html).



NG
REPLACE FRONT DOOR LOCK ASSEMBLY LH (YARIS_NCP93 RM000003N1Q00IX.html)
OK


8.CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY LH - MAIN BODY ECU)

  1. Disconnect the D143 main body ECU connector.

  1. Disconnect the G23 front door lock assembly LH connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    G23-9 (L) - D143-11 (L2)
    		Always
    		Below 1 Ω
    G23-10 (UL) - D143-24 (UL3)
    		Always
    		Below 1 Ω
    G23-7 (E) - Body ground
    		Always
    		Below 1 Ω
    D143-11 (L2) - Body ground
    		Always
    		10 kΩ or higher
    D143-24 (UL3) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (YARIS_NCP93 RM000003TOE00CX.html)

9.READ VALUE USING TECHSTREAM (DOOR LOCK AND UNLOCK SWITCH)

  1. Connect the Techstream to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the Techstream on.

  1. Enter the following menus: Body Electrical / Main Body / Data List.

  1. According to the display on the Techstream, read the Data List.

    Main Body
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Door Key SW-Lock
    		Driver door and front passenger door lock and unlock switch signal / OFF or ON
    		OFF: Driver door or front passenger door key cylinder not turned
    ON: Driver door or front passenger door key cylinder turned to lock position
    		-
    Door Key SW-Unlock
    		Front passenger door lock and unlock switch signal / OFF or ON
    		OFF: Front passenger door key cylinder not turned
    ON: Front passenger door key cylinder turned to unlock position
    		-
    OK:
    The Techstream indicates ON or OFF according to the key cylinder operation shown in the table.


NG
Go to step 10
OK

REPLACE MAIN BODY ECU (YARIS_NCP93 RM000003TOE00CX.html)

10.INSPECT FRONT DOOR LOCK ASSEMBLY RH

  1. Inspect the front door lock assembly RH (YARIS_NCP93 RM000001DPO01VX.html).



NG
REPLACE FRONT DOOR LOCK ASSEMBLY RH (YARIS_NCP93 RM000003N1Q00IX.html)
OK


11.CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY RH - MAIN BODY ECU)

  1. Disconnect the D143 main body ECU connector.

  1. Disconnect the F23 front door lock assembly RH connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    F23-6 (L) - D143-11 (L2)
    		Always
    		Below 1 Ω
    F23-5 (UL) - D143-12 (UL2)
    		Always
    		Below 1 Ω
    F23-8 (E) - Body ground
    		Always
    		Below 1 Ω
    D143-11 (L2) - Body ground
    		Always
    		10 kΩ or higher
    D143-12 (UL2) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (YARIS_NCP93 RM000003TOE00CX.html)